Amado, C., Duarte, V., Silva Leal, M., Cruz, M. and Ferreira, G. 2021. Chronic Lymphocytic Leukaemia: Rare Involvement of the Central Nervous System. European Journal of Case Reports in Internal Medicine. 8, 11 (Nov. 2021). DOI:https://doi.org/10.12890/2021_002847.